79415745 has 8 divisors (see below), whose sum is σ = 127065216. Its totient is φ = 42355056.

The previous prime is 79415731. The next prime is 79415747. The reversal of 79415745 is 54751497.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79415745 - 2⁷ = 79415617 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 79415697 and 79415706.

It is not an unprimeable number, because it can be changed into a prime (79415747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2647177 + ... + 2647206.

It is an arithmetic number, because the mean of its divisors is an integer number (15883152).

Almost surely, 2^79415745 is an apocalyptic number.

It is an amenable number.

79415745 is a deficient number, since it is larger than the sum of its proper divisors (47649471).

79415745 is a wasteful number, since it uses less digits than its factorization.

79415745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294391.

The product of its digits is 176400, while the sum is 42.

The square root of 79415745 is about 8911.5512117700. The cubic root of 79415745 is about 429.8354246706.

The spelling of 79415745 in words is "seventy-nine million, four hundred fifteen thousand, seven hundred forty-five".